/Engine/Plugins/Animation/MLDeformer/MLDeformerFramework/Source/MLDeformerFrameworkEditor/Public/MLDeformerMorphModelEditorModel.h
Recursively add bone masks for this bone and its children. The number of child steps down the hierarchy is controlled by the MaxHierarchyDepth.
void RecursiveAddBoneToMaskDownwards ( const [FReferenceSkeleton](API\Runtime\Engine\FReferenceSkeleton) & RefSkel, int32 SkeletonBoneIndex, int32 MaxHierarchyDepth, const [TArray](API\Runtime\Core\Containers\TArray)< int32 > & VirtualParentTable, [TArray](API\Runtime\Core\Containers\TArray)< int32 > & OutBonesAdded, int32 CurHierarchyDepth )